time-to-botec/squiggle/node_modules/@stdlib/os/configdir/lib/configdir.js
NunoSempere b6addc7f05 feat: add the node modules
Necessary in order to clearly see the squiggle hotwiring.
2022-12-03 12:44:49 +00:00

86 lines
2.5 KiB
JavaScript

/**
* @license Apache-2.0
*
* Copyright (c) 2018 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'use strict';
// MODULES //
var join = require( 'path' ).join;
var ENV = require( '@stdlib/process/env' );
var IS_WINDOWS = require( '@stdlib/assert/is-windows' );
var PLATFORM = require( './../../platform' );
var isString = require( '@stdlib/assert/is-string' ).isPrimitive;
var homedir = require( './../../homedir' );
// MAIN //
/**
* Returns a directory for user-specific configuration files.
*
* @param {string} [p] - path to append to a base directory
* @throws {TypeError} first argument must be a string primitive
* @returns {(string|null)} directory
*
* @example
* var dir = configdir();
* // e.g., returns '/Users/<username>/Library/Preferences'
*
* @example
* var dir = configdir( 'appname/config' );
* // e.g., returns '/Users/<username>/Library/Preferences/appname/config'
*/
function configdir( p ) {
var append;
var home;
var dir;
if ( arguments.length ) {
if ( !isString( p ) ) {
throw new TypeError( 'invalid argument. Must provide a string primitive. Value: `' + p + '`.' );
}
append = p;
} else {
append = '';
}
if ( IS_WINDOWS ) {
// http://blogs.msdn.com/b/patricka/archive/2010/03/18/where-should-i-store-my-data-and-configuration-files-if-i-target-multiple-os-versions.aspx
// https://en.wikipedia.org/wiki/Environment_variable#Windows
dir = ENV[ 'LOCALAPPDATA' ] || ENV[ 'APPDATA' ];
return ( dir ) ? join( dir, append ) : null;
}
home = homedir();
if ( home === null ) {
return null;
}
if ( PLATFORM === 'darwin' ) {
// http://stackoverflow.com/questions/410013/where-do-osx-applications-typically-store-user-configuration-data
return join( home, 'Library', 'Preferences', append );
}
// http://www.pathname.com/fhs/
// http://www.pathname.com/fhs/pub/fhs-2.3.html
// http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
dir = ENV[ 'XDG_CONFIG_HOME' ] || join( home, '.config' );
return join( dir, append );
}
// EXPORTS //
module.exports = configdir;